Plasma frequency

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• CONTEXTO : Segundo ciclo universitário
• AREA: Física
• DISCIPLINA: Física e Tecnologia dos Plasmas
• ANO: 4
• LINGUA: en
• AUTOR: Vasco Guerra
• MATERIA PRINCIPAL: Debye shielding and fundamental efects
• DESCRICAO: Plasma frequency
(D. R. Nicholson ~ 1.3) In the deduction of the electron plasma frequency, suppose the ions are not infinitely massive, but have a mass $$m_i$$ and can move. Modify the discussion to show that the coupled oscillation of the electron and ion " slabs " is made with the total plasma frequency $$(\omega_p^2 = \omega_{pe}^2 + \omega_{pi}^2)$$.